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Jun 26, 2014
The time rail or progress bar on video players gives the viewer some indication of how much of the video they’ve watched, what portion of the video remains to be viewed, and how much of the video is buffered. The time rail can also be clicked on to jump to a particular time within the video. But figuring out where in the video you want to go can feel kind of random. You can usually hover over the time rail and move from side to side and see the time that you’d jump to if you clicked, but who knows what you might see when you get there.
Some video players have begun to use the time rail to show video thumbnails on hover in a tooltip. For most videos these thumbnails give a much better idea of what you’ll see when you click to jump to that time. I’ll show you how you can create your own thumbnail previews using HTML5 video.
TL;DR Use the time rail thumbnails plugin for Mediaelement.js.read more
Jun 21, 2014
As a software developer I’m using keys like F5 a lot. When I’m doing any writing, I use F6 a lot to turn off and on spell correction underlining. On the Lenovo X240 the function keys are overlaid on the same keys as volume and brightness control. This causes some problems for me. Luckily there’s a solution that works for me under Linux.read more
Jun 16, 2014
One question I got asked after giving my Code4Lib presentation on WebSockets was how I created my slides. I’ve written about how I create HTML slides before, but this time I added some new features like an audience interface that synchronizes automatically with the slides and allows for audience participation.
TL;DR I’ve open sourced starterdeck-node for creating synchronized and interactive HTML slide decks.read more
Apr 7, 2014
During my presentation on WebSockets, there were a couple points where folks in the audience could enter text in an input field that would then show up on a slide. The data was sent to the slides via WebSockets. It is not often that you get a chance to incorporate the technology that you’re talking about directly into how the presentation is given, so it was a lot of fun. At the end of the presentation, I allowed folks to anonymously submit questions directly to the HTML slides via WebSockets.
I ran out of time before I could answer all of the questions that I saw. I’ll try to answer them now.read more
Nov 8, 2013
I’ve used different HTML slideshow tools in the past, but was never satisfied with them. I didn’t like to have to run a server just for a slideshow. I don’t like when a slideshow requires external dependencies that make it difficult to share the slides. I don’t want to actually have to write a lot of HTML.
I want to write my slides in a single Markdown file. As a backup I always like to have my slides available as a PDF.
For my latest presentations I came up with workflow that I’m satisfied with. Once all the little pieces were stitched together it worked really well for me. I’ll show you how I did it.read more
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